Catlow

Catlow is a 1971 western film, based on a 1963 novel of the same name by Louis LAmour. It stars Yul Brynner as a renegade outlaw determined to pull off a Confederate gold heist. It costars Richard Crenna and Leonard Nimoy.

Jed Catlow and Ben Cowan served together in the Civil War and became friends, but now Catlow is a thief and Cowan a marshal tracking him down.Catlow is accused of rustling the wealthy rancher Parkmans cattle. Parkman has hired a vicious gunfighter, Orville Miller, to kill Catlow. ........

Source: Wikipedia